. >> montana. the surprising battleground over campaign finance. >> somebody was buying the state out. >> more ads, more spending, more negativity. >> look who's controlling the message. it's these outside groups. >> it doesn't corrupt the process. it's necessary for the process. >> we're not seeing where the money's coming from. >> what's more important to this country than free speech? >> "big sky, big money," a frontline election special. inue >> we really were a family. >> hearore about the candidates. >> it was an awful loss for us. >> in a collection of 15 video interviews witouthe people who know them best. >> they thought that he treated them with respect. >> he looked perfect, he dressed perfect. >> explore our collection of rarely-seen artifacts from the candidates' lives. and follfrontline on facebook and twitter, or join the discussion at pbs.org/frontline wli >> frontlinis made possible by contributions to your pbs station from viewers like you. thank you. and by the corporation for pu